James G. Ratcliffe
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View article: Quasi-static and Fatigue Delamination at Tape/Fabric Interfaces
Quasi-static and Fatigue Delamination at Tape/Fabric Interfaces Open
The relationship between quasi-static and fatigue delamination of a fabric/tape interface is examined experimentally and numerically.Mixed-mode bending tests were conducted using specimens in which a mid-plane delamination is bound between…
View article: Material Characterization for the Analysis of Skin/Stiffener Separation
Material Characterization for the Analysis of Skin/Stiffener Separation Open
Test results show that separation failure in co-cured skin/stiffener interfaces is characterized by dense networks of interacting cracks and crack path migrations that are not present in standard characterization tests for delamination. Th…
View article: Simulating Matrix Crack and Delamination Interaction in a Clamped Tapered Beam
Simulating Matrix Crack and Delamination Interaction in a Clamped Tapered Beam Open
Blind predictions were conducted to validate a discrete crack methodology based on the Floating Node Method to simulate matrix-crack/delamination interaction. The main novel aspects of the approach are: (1) the implementation of the floati…
View article: Multifunctional Hybrid Carbon Nanotube/Carbon Fiber Polymer Composites
Multifunctional Hybrid Carbon Nanotube/Carbon Fiber Polymer Composites Open
For aircraft primary structures, carbon fiber reinforced polymer (CFRP) composites possess many advantages over conventional aluminum alloys due to their light weight, higher strengthand stiffness-to-weight ratio, and low life-cycle mainte…
View article: Properties of Multifunctional Hybrid Carbon Nanotube/Carbon Fiber Polymer Matrix Composites
Properties of Multifunctional Hybrid Carbon Nanotube/Carbon Fiber Polymer Matrix Composites Open
For aircraft primary structures, carbon fiber reinforced polymer (CFRP) composites possess many advantages over conventional aluminum alloys due to their light weight, higher strength- and stiffness-to-weight ratios, and low life-cycle mai…